Desktop app with Headset

Concorde

Customer
Joined
Aug 18, 2026
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Hi,

Over the last few days, we have been experiencing an issue with the 3CX Desktop Application not working correctly with headsets.

We have already carried out the following troubleshooting:

  • Reinstalled the 3CX Desktop Application.
  • Reinstalled the headset drivers.
  • Tested the headset with other applications, where it worked correctly.
  • Tested calls using the 3CX Web Client, where the headset also worked correctly.
  • Tested the 3CX Desktop Application using the laptop's built-in speakers and microphone, which worked without any issues.
The issue therefore appears to be specific to the combination of the 3CX Desktop Application and the headset.

Have you had any similar issues, or are you aware of a solution or recommended troubleshooting steps for this issue?
 
Perhaps if you can advise on Desktop App version, Windows version and headset make and model we can provide some more specific troubleshooting steps.
 
3cx: 5.7(Build1190)
Windows: 25H2 (OS Build 2622.9168)
Headset tried: HP Poly Headset Blackwire C3310 (via type C) and ACER OHR546 Wireless